add prometheus service

ansible/roles/prometheus/docker-stack.yml.j2

@@ -0,0 +1,36 @@
+# vi: ft=yaml
+
+version: "3"
+
+networks:
+  traefik:
+    external: true
+
+volumes:
+  data:
+    driver_opts:
+      type: "nfs"
+      o: "addr=192.168.30.10,nolock,soft,rw"
+      device: ":/mnt/data/prometheus/data"
+
+services:
+  prometheus:
+    image: quay.io/prometheus/prometheus
+    networks:
+      - traefik
+    # volumes:
+    #   - type: volume
+    #     source: data
+    #     target: /prometheus
+    #     volume:
+    #       nocopy: true
+    deploy:
+      labels:
+        - traefik.enable=true
+        - traefik.http.routers.prometheus.entrypoints=localsecure
+        - traefik.http.routers.prometheus.rule=Host(`metrics.kun.is`)
+        - traefik.http.routers.prometheus.tls=true
+        - traefik.http.routers.prometheus.tls.certresolver=letsencrypt
+        - traefik.http.routers.prometheus.service=prometheus
+        - traefik.http.services.prometheus.loadbalancer.server.port=9090
+        - traefik.docker.network=traefik

ansible/roles/prometheus/tasks/main.yml

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+#- name: Create prometheus config
+#  docker_config:
+#    name: prometheus_config
+#    data: "{{ lookup('file', '{{ role_path }}/prometheus.yml') }}"
+#    use_ssh_client: true
+#    rolling_versions: true
+#  register: config
+
+- name: Deploy Docker stack
+  docker_stack:
+    name: prometheus
+    compose:
+      - "{{ lookup('template', '{{ role_path }}/docker-stack.yml.j2') | from_yaml }}"